Safety razor



- Aug. 28, 1928.

1,682,462 F. A. ALVARADO SAFETY RAZOR Filed Feb. 5, 1927 Z2 if a za ,f7-f-l jd F.-- INVENTOR.

FERNANDO A. ALVARADO BY /f f I f- ATTORNEYS.

- o possibility of the user cutting Patented Aug. 28, 1928.

UNITED STATES PATENT OFFICE.

f FERNANDO A. ALVARADO, OF NEW YORK, N. Y., ASSIGNOR TO DURHAM DUPLEXRAZOR IPAN'Y, A CORPORATION 0F NEW YORK.

'sanary Razon Application med February 5, 1927. Serial lo. 186,088.

v lather and hair escapes forwardly between the teeth of the ard, butabout half of it remains. The la er and hair removed from the faceshould freely pass rearwardly from the cutting ed of the plate to avoidany accumulation tween said edge and the guard, but this is impossiblein the commercial razor now in use. One of the objects of the presentinvention is the production of a razor so constructed that the latherand hair removed from the face will be free to .25 pass rearwardly awayfrom the cutting edge of the blade and through what may `be termed arforated zone in the guard immediately behind the cutting edge of theblade, for the escape of lather and hair as fast as they are removedfrom the face. In some of the safety razors now in use, the blade ispositioned between two members, one of which is a guard and one a clamp.The two members and the blade are held together by oiset lugs formed onone of the members an passing through apertures in the blade and theother member and engaging said other member by a limited slidingmovement. some of such razors, a lug is formed on one 'of the memberslfor manipulation in assembling and dismantling the members and blade,but it is located out near an edge of the blade and a user sometimescuts himself in using it. A further ob- 4.5 ject of the inventiontherefore is to provide a projection on one of the blade fastening lugsfor such manipulation, the lug being located at the middle of the bladewhere there is not only no dangE-il'nbut no self in using it. A furtherobject of the invention the production of a razor of the offset lugfastening type in which the blade is provided with two rectangularapertures, and

one of the members is provided with two In ting edge, a rigid guard hasimilar rectangular l apertures one of the blade apertures blliigng inregistei"v with one of the member apertures, and the other bladeaperture being overlap d with the other member aperture, and V,e lugsbeing flat, so that in dismantling the arts the lugs are first slidalonthe mem apertures and then passed tilirough them, and a blade issubsequently swung oi of the lugs on the other member. Still anotherobject of the invention is the production of a sheath c having an openen and a razor slidable in said sheath and provided with a'memberclosing the open end of said sheath to encase.r said razor, thusproviding a case in which the razor may be kept and in which it may beshipped without further packaging if desired. With these and otherobjects not specifically mentioned in view, the invention consists iucertain combinations, constructions and arts which will be hereinafterfull descr` ed and then specifically set forth in t e claims hereuntoappended.

In the accompanying drawings, in which like characters of referenceindicate the same or like parts, 1 illustrates a razor in position in asheat ,the latter being shown in section; Fig. 2 is a plan view of apart of the razor shown in Fig. 1; Fig. 3 is a longitudinal sectionalview taken on the line 3-3 in Fig 2; Fi 4 is a cross-sectional view onan enlarge scale taken on the' line 4-4 in Fig. 3; and Fig. 5 is a'planview of the blade used in the razor shown in Figs.

In carrying the invention into effect, there is provided a flat razorblade having a cuta perforated zone immediately behind sai edge forescape of lather and hair removed fromthe face by said edge, and meansfor clamping said blade and said guard together. In the bestconstructions, the ard also has a protective bar ahead of sai edge inplace of the usual teeth or comb; the means for clamping the blade andthe guard together is operative behind the perforated zone; an aperturedblade and an apertured guard are used and the clamping means consists ofa clamp having offset lugs passing thro h the apertures of the blade andthe guar and engaging the latter to clamp the blade thereto, one of saidlugs ha a projection for manipulation in assegbng and dismantling theblade and the guard. Changes and varia- UG tions may be made in theconstruction of these various parts .within the scope of the claims, forthe specific structure selected to illustrate the invention is but oneof numerous possible concrete embodiments of the same. The inventiontherefore is not to be restricted to the recise details of the structureshown and escribed.

Referring to the drawings, -6 indicates a sheath open at one end and inwhich a razor may be stored or carried. The o en end of the sheath 6 isclosed by a mem er of a razor, in the present instance by the enlargedhead 7 of the razor handle 8 which is pivoted at 9 to a tang 10, thelatter being formed integrally with a ard 11. The guard 11 is rigid andsomewl at wider than the blade 12 which has oppositely disposed cuttingedges 13. The guardl has protective edges in the form of bars 14 lyingahead of the blade edges 13, i. e., ahead as the razor is used in .theshaving operation, For the purpose of'providing for the escape of latherand hair removed from the face in the shaving operation, the guard 11 isprovided with a perforatedzone immediately behind the cutting edges ofthe blade 12, and as shown this perforated zone has two slots 15 eachnearly half as long as the guard 11 and blade 12. By an inspection ofFig. 4, it will be seen that lather and hair removed from the face byeither of the cutting edges 13 are free to pass rearwardly -through theslots 15 to the other side of the guard where they cannot clog orinterfere with the efficient operation of the cutting edges ofthe blade.

For the purpose of holding the parts in assembled relationship, there isprovided a clamp 16 having two offset lugs 17-18, the latter beingprovided with an Aoutstanding projection 19 for manipulation inassembling or dismantling the parts. The clamp lugs 17--18 respectivelypass through apertures 20 and 21 m the blade 12 and through apertures 22and 23 in the guard. By an inspection of Fig. 3, it will be noted thatthe blade aperture 21 and the guard aperture 23 are in register, whilethe blade aperture 20 and guard aperture 22 are overlapped. When therojection 19 is manipulated to dismantle tlie razor, it is pushed astoward the left in Fig. 3, the guard apertures 22 and 23 permitting thismovement. Durin this movement, however, the blade 12 is carried to theleft with the clamp 16 so that at the end of the movement the blade 12and clamp 16 will project to the left beyond the end of the guard 11. Itcan then be lifted up readily and the blade and clamp dismantled fromthe guard by the passage of the lugs throu h the guard a ertures 22 and.23. Then, t e blade may e dropped over the lug 17 and then slid outfrom underneath the lug 18. The assemblage of the parts is of courseaccomplished in a reverse order of movements.

The blade apertures 20 and 21 and the guard apertures 22 and 23 arepreferably made rectangular and the lugsare of course of flat stockpunched out from the body of the clamp 16, as clearly shown in Fig: 3.This construction revents any relative movement of the bla e and theguard in any direction when the parts are assembled. The apertures 2Oand 21 of the blade 12 are symmetrically positioned in the blade midwaybetween its cutting edges, so that the latter may be assembled with theguard and clamp with either end toward the handle of the razor, but onlone of its apertures registers with one of t e apertures of the guard,the purpose of making the blade aperture 20 and the guard aperture 22overlap just enough to permit the passage of the lug 17 through the twoapertures where they overlap being to prevent movement of the blade whenin assembled position in any direction, but to cause it to move with theguard during the dismantling operation.

Whlle the tang 10 is shown as integral with the guard 11, it can be madeintegral with the clamp 16. Also the lugs can be made on the guard 11 topass through suitable apertures in the blade 12 and the clamp 16 andenga e the latter to hold the parts together. A so, instead of a tang 10projecting endwise from the guard 11, a handle projecting from the guardat right angles to its planer may be used when a razor of the hoe typeis preferred.

What is claimed is:

1. The combination with a razor blade having a cutting edge and tworectangular apertures spaced from said edge. of a rigid guard having aperforated zone behind said edge for escape of lather, said guard alsohaving two rectangular apertures behind said zone one of which registerswith one blade aperture and the other of which overlaps the other bladeaperture, and a clamp having two fiat offset lugs passing through saidapertures and enga-ging said guard to clamp said blade thereto.

2. The combination with a razor blade having a cutting edge and twoapertures spaced from said edge, of a rigid guard having a perforatedzone immediately behind said edge for escape of lather, said guard alsohaving two apertures behind said zone, and a clamp having two offsetlugs passing through said apertures and engaging said guard to clampsaid blade thereto, one of said lugs having a projection formanipulation in assembling and dismantling said blade and said guard.

3. The combination with a razor blade having apertures, of a rigid guardhaving apertures, and a clamp having offset lugs passing through saidapertures and engaging said guard to clamp said blade thereto, one ofsaid lugs having a projection for manipulation in assembling anddismantling said blade and said guard.

4. A safety razor clamp having o'set lugs for 'fastening a blade and aguard together, one of said lugs having a projection for manipulation inassembling and dismantling the blade and the guard.

5. A safety razor blade having two cutting edges, and also having twoapertures transversely located midway between said edges and adapted forengagement with means for clamping said blade'to a guard, one of saidapertures being longitudinally located to register with one aperture inthe guard and the other being longitudinally located to overlap anotheraperture in the guard.

6. The combination with a razor blade having apertures, of guarding andclamping members one of which is provided with apertures and the otherwith offset lugs passing through said apertures and engaging theapertured member, one of said lugs having a projection for manipulationin assembling and dismantling said blade and members.

7 The combination with a razor blade having two rectangular apertures,of guarding and clamping members one of which is provided with tworectangular apertures one of which registers with one blade aperture andthe other of which overlapsthe other blade aperture, the other memberhaving two flat offset lugs passing through said apertures and engagingthe apertured member to hold said blade thereto.

In testimony whereof, I have signed m name to this specification.

FERNANDO A. ALVARADO.

